Home / 56,557.33-84,821.98-19,116.57

Finding the Fourth Proportional to 56,557.33, 84,821.98 and 19,116.57

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Solution

The fourth proportional to 56,557.33, 84,821.98 and 19,116.57 is: 28,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,557.33 : 84,821.98 = 19,116.57 : x
  2. Step 2: Convert to fraction form
    56,557.33/84,821.98 = 19,116.57/x
  3. Step 3: Cross multiply
    56,557.33x = 84,821.98 × 19,116.57
  4. Step 4: Simplify right side
    56,557.33x = 1,621,505,318.21
  5. Step 5: Solve for x
    x = 1,621,505,318.21/56,557.33
  6. Step 6: Final answer
    x = 28,670.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.